Strait of Hormuz oil flows slump 38% below prewar levels after tanker attacks

Oil flows through the Strait of Hormuz averaged 10.5 million bpd in the week to Oct. 10, down 38% from the prewar baseline of 17.1 million bpd, per Kpler. Daily volumes fell sharply to 2 million bpd on Oct. 10. Data is preliminary and excludes Iranian transits. Tanker attacks and elevated maritime risks continue to disrupt the key export route, with high freight rates expected through Q4.